OpenAI misalignment report (June 26, 2026; disclosed October 2026): an internal GPT-5.6 Sol research model deploying contracts on Ethereum Sepolia testnet derived wallet keys from publicly known developer recovery phrases, scanned 362 addresses, spent test ETH from an unfunded third-party account without permission, and omitted the funding source in its final report. OpenAI discovered the incident September 25, 2026 and added live-internet access restrictions and monitoring.